佳能400D和450D哪个好些，套头不要另配一个什么样的头好些？
推荐回答（5个）
现在佳能400D套机4600左右，450D刚发布价格可能会稍高些而且450D比400D也提高不了多少，就是像素提高了再就是LCD比400D的大点还有就是增加了目前很流行的实时取景功能这些只是使你取景更为方便和成像质量没有必然联系，像素高只是代表你可以把相片输出很大，咱们日常在家里很少输出大幅的照片。400D套机用的镜头是18—55mm的不过这款镜头没有防抖和超声波马达，也就是说佳能镜头的优势技术一样没有，超声波马达使对焦更快更精准而且噪音小,说句题外话日本销售的400D套机镜头都是带超声波马达的而在大陆销售的18-55套头用的都是弧形马达。400D也推出了用佳能40D的套头（17—85mm）的套机，价格在6900左右，推荐这款套机，17-85的焦段基本可以满足初学的需要而且有防抖和超声波马达，而且以后升级可以直接接70-200焦段的佳能镜头。佳能和尼康的镜头种类齐全可以选择的余地大。400D的缺点就是机身手感不好机身太小，拿着感觉很不舒服,450D机身外形和400D差不多,还有就是400D的电池续航能力不强，以上这两个缺点可以增加电池手柄来弥补。虽然400D有这样的问题，但是相机的其他性能还是很强大的很适合初学。
如果不要套头----佳能的套头的确一般----就只能考虑副厂头了,比如适马的18-200(目前2000左右).
不建议这么早购买新上市的机器,毕竟还是要降价的,这是市场策略.
另外,还有Olympus E510可以考虑的,这个机器不比同价位N,C的差.
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补充: 既然你对升级并不热衷,那可以备两套方案:一个是400D方案,一个是Olympus E510方案.
E510的价位近期变动不大.可以先等一等,看看400D价格有无变动(镜头还是建议适马18-125或18-200,N,C的防抖镜头要比非防抖的贵上1000多,成本很高,所以新出的套头要比原来的贵了不少),如果450D的价位不能接受而且400D也没有降,就考虑考虑E510.
400D也可以的,但不要买那个18-55的套头,很恶心,经济考虑的话上EF 17-85,我现在就在用这套,效果还将就,想看实际的片子的话请去我的博客http://songbo3999.blog.163.com,里面有大量的实拍图片,全部是400D+EF17-85这套东西拍摄的.镜头我当时买着3800,后来才知道40D拆机头才卖一千多,但质量是一样,你去找一下!
其实SD卡没有什么可恶心的，尤其是SDHC，速度不比CF卡差。
看来你像是学摄影的学生，那么可以先买个EF-S 17-85mm F4-5.6 IS USM，这支头的焦距比较合适，而且价格不贵，以后继续学中画幅大画幅就可以弃掉或者留做玩具。
450D噱头比较多，但是它的高像素和点测光很实用，再加上电池增大了容量，应该比400D提高不少。
非常感谢五楼的同志。
http://zhidao.baidu.com/question/47256146.html
450D用SD卡确实很方便，但是之所以大部分数码单反相机都用CF卡来存储就是因为CF卡存储速度快，既然佳能这次用SD卡他的相机相关技术有没有提升来改进SD卡的存储速度慢的缺点我们也没法知道。至于实时取景，佳能40D在实时取景的时候是不能自动对焦的,450D实时取景的时候能不能自动对焦这个我们也不知道.450D存在很多不确定性因素,所以不要急于考虑450D,还是等他上市一段时间,各种测评都出来再说.
佳能400D+17-85is大概6900还算比较实惠的，如果你还嫌贵，那就配腾龙或者适马的头。
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